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    • 5. 发明授权
    • Turbo vacuum pump
    • 涡轮真空泵
    • US08109744B2
    • 2012-02-07
    • US12410780
    • 2009-03-25
    • Hiroyuki KawasakiHiroaki OgaminoHiroshi Sobukawa
    • Hiroyuki KawasakiHiroaki OgaminoHiroshi Sobukawa
    • F04B37/14F04B37/10
    • F04D19/042F04D17/168F04D29/0513F04D29/28
    • An oil-free turbo vacuum pump is capable of evacuating gas in a chamber from atmospheric pressure to high vacuum. The turbo vacuum pump includes a pumping section having rotor blades and stator blades which are disposed alternately in a casing, a main shaft for supporting the rotor blades, and a bearing and motor section having a motor for rotating the main shaft and a bearing mechanism for supporting the main shaft rotatably. A gas bearing is used as a bearing for supporting the main shaft in a thrust direction, spiral grooves are formed in both surfaces of a stationary part of the gas bearing, and the stationary part having the spiral grooves is placed between an upper rotating part and a lower rotating part which are fixed to the main shaft.
    • 无油涡轮真空泵能够将室内的气体从大气压降至高真空。 涡轮真空泵包括具有交替设置在壳体中的转子叶片和定子叶片的泵送部分,用于支撑转子叶片的主轴以及具有用于使主轴旋转的马达的轴承和马达部分以及用于 可旋转地支撑主轴。 气体轴承用作用于沿推力方向支撑主轴的轴承,在气体轴承的静止部分的两个表面上形成螺旋槽,并且具有螺旋槽的固定部分设置在上部旋转部分和 固定在主轴上的下部旋转部。
    • 6. 发明授权
    • Tire air pressure detecting device
    • US07015803B2
    • 2006-03-21
    • US10058278
    • 2002-01-30
    • Toshio YamagiwaTomoyuki HaradaHiroyuki Kawasaki
    • Toshio YamagiwaTomoyuki HaradaHiroyuki Kawasaki
    • B60C23/00
    • B60C23/0408B60C23/006
    • A tire air pressure detecting device has a tire air pressure detecting device on a wheel. A main transmitting device is provided at the wheel for transmitting an air pressure signal SP to a vehicle body. A main receiving device is provided at the vehicle body for receiving the air pressure signal SP. A main switch turn-on detecting device is provided on the vehicle body for detecting the turn-on of a main switch. A second control device is provided on the vehicle body for receiving the air pressure signal SP and a main switch ON signal Son. An auxiliary transmitting device on the vehicle body transmits a transmission instruction signal SR to the wheel when the second control means receives the main switch ON signal Son. An auxiliary receiving device on the wheel receives the transmission instruction signal SR. A first control device is provided for reading a new air pressure signal SP. When the main switch is turned on, the state of the tire air pressure can immediately be recognized. The main transmitting means is not required to transmit the air pressure signal at all times or increase the frequency with which to transmit the air pressure signal. Thus, the consumption of the battery at the wheel can be reduced.